In Section 9.3 “Using the AWR Compare Periods Reports” in Chapter 9 “Resolving Performance Degradation Over Time”, the following two new subsections have been added to the Automatic Workload Repository (AWR) Compare Periods report in 18.1:

• Top Process Types by Wait Class

  This section shows the top process types ordered by wait class.

• Top Process Types by CPU Used

  This section shows the top process types ordered by CPU time.

Oracle Database Utilities for Oracle Database 18c has been updated with the following restrictions:

• For the ACCESS_METHOD parameter for Data Pump Export (Chapter 2):

  "The ACCESS_METHOD parameter for Data Pump Export is not valid for transportable tablespace jobs."

• For the TRANSPORT_TABLESPACES parameter for Data Pump Export (Chapter 2):

  "Transportable tablespace jobs do not support the ACCESS_METHOD parameter for Data Pump Export."

• For the ACCESS_METHOD parameter for Data Pump Import (Chapter 3):

  "The ACCESS_METHOD parameter for Data Pump Import is not valid for transportable tablespace jobs."

• For the TRANSPORT_TABLESPACES parameter for Data Pump Import (Chapter 3):

  "Transportable tablespace jobs do not support the ACCESS_METHOD parameter for Data Pump Import."